CN205842092U - A kind of auxiliary vapour header tape-pressure leakage clogging device - Google Patents
A kind of auxiliary vapour header tape-pressure leakage clogging device Download PDFInfo
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- CN205842092U CN205842092U CN201620711307.7U CN201620711307U CN205842092U CN 205842092 U CN205842092 U CN 205842092U CN 201620711307 U CN201620711307 U CN 201620711307U CN 205842092 U CN205842092 U CN 205842092U
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- auxiliary vapour
- vapour header
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Abstract
This utility model belongs to device for plugging field, specifically, relate to a kind of auxiliary vapour header tape-pressure leakage clogging device, including plugging structure, supplementary structure and collection device, described plugging structure and supplementary structure removably connect to be fastened on the periphery wall of auxiliary vapour header, and described collection device is arranged at the inside outer wall of described plugging structure；Described collection device has the cavity volume for the gas leakage or leakage holding leakage point, the opening for leakage or gas leakage being discharged it is provided with bottom cavity volume, by the inside outer wall at plugging structure, collection device is set, the gas leakage of leak source, leakage are temporarily collected in collection device, make gas leakage or the leakage of the without hindrance welding in position that the edge of plugging structure contacts with auxiliary vapour header；Owing to cavity is arranged on the inside outer wall of plugging structure, can multiple plugging structure superpositions use.
Description
Technical field
This utility model belongs to device for plugging field, specifically, relates to a kind of auxiliary vapour header tape-pressure leakage clogging device.
Background technology
In daily production process, thermal power plant needs to use Auxiliary Steam (the most auxiliary vapour system) to carry out steam and blows
The heating of ash, denitration liquefied ammonia, heating and life vapour etc..Auxiliary vapour header in auxiliary vapour system in use, due to from stature
Matter reason or Hanger Design are unreasonable, thus the leakage vapour phenomenon produced, the economy of unit operation is had a great impact.
When unit is at longtime running, auxiliary vapour header expands under high temperature and high pressure environment, and the spring about header props up
Suspension bracket spacing span is relatively big, and header sinks, at the region of stress concentration of header and the weld bond of header threeway, by tension,
Thus crack.In actual production, when crackle occurs in auxiliary vapour header, need with pressure closure, during non-stop plugging, leak source
Liquid can flow to weld, impact welding；After leak stopping, by long-term use, may there is also near leak source formerly
Leakage, now will be unable to again block.
Patent CN200910226644.1 provides a kind of pipe pressurized blocking method and device for plugging, and leakage device uses first to be dredged
Thinking stifled again, is drawn away water leakage by the pressure release drainage system on leak stoppage device and reduces earial drainage pressure, alleviating difficulty of construction,
Convenient working.During leakage device, the leak stoppage device of band pressure release drainage system is arranged on the leak of pipeline, it is achieved after preliminary leak stopping, then and
Time leak stopping anchor ear body and pipeline welding be connected as a single entity thus reach final leak stopping purpose.Pipeline with pressure release drainage system blocks up
Leakage device includes the leak stopping anchor ear body of a band pressure release drainage system and a lower anchor ear.Body is the circle of two sideband flangings
Arc plate, the flanging of arc plate is provided with bolt hole.Body is provided with four pieces and strengthens gusset, and pressure release drainage system is by being welded and fixed
On the conduction hole of body outer ring.At the inner ring of body, being provided with a sealing ring retainer ring, it is solid that sealing ring is just placed in sealing ring
Determine in ring.Lower anchor ear is the arc plate of two sideband flangings, and the flanging of arc plate is provided with bolt hole.In this device, pressure release is drawn
Stream device is arranged on the outside of leak stopping anchor ear body outer wall, and volume is relatively big, uses inconvenience；This device for plugging is welded on pressure release drain
On device, adding the weight of auxiliary vapour header, the spring support hanging frame spacing span about header is relatively big in addition, may cause it
The crackle at his position；After leak stopping, if leak source occurring again in next-door neighbour leak stopping position, then cannot solve.
In view of this special proposition this utility model.
Utility model content
The technical problems to be solved in the utility model is to overcome the deficiencies in the prior art, it is provided that a kind of volume is little, use
Convenient, the one auxiliary vapour header tape-pressure leakage clogging device of stackable use.
For solving above-mentioned technical problem, the basic conception of this utility model employing technical scheme is:
A kind of auxiliary vapour header tape-pressure leakage clogging device, including plugging structure, supplementary structure and collection device, described closure knot
Structure and supplementary structure removably connect to be fastened on the periphery wall of auxiliary vapour header, and described collection device is arranged at described closure
The inside outer wall of structure；Described collection device has the cavity volume for the gas leakage or leakage holding leakage point, is provided with bottom cavity volume
For the opening that leakage or gas leakage are discharged.
Collection device is set by the inside outer wall at plugging structure, the gas leakage of leak source, leakage are temporarily collected at collection
In device, make gas leakage or the leakage of the without hindrance welding in position that the edge of plugging structure contacts with auxiliary vapour header；In order to prevent
After cavity volume is full of, welding is also not fully complete, and leakage or leakage are overflowed, and again hinder welding, offer opening in the bottom of cavity volume, by liquid
Body draws cavity volume, without overflowing at weld, has striven for the time for welding；When plugging structure position formerly occurs leakage again
During point, owing to cavity is arranged on the inside outer wall of plugging structure, it is also possible to meet multiple plugging structure superposition and use.
Described collection device is to be opened on described plugging structure body the groove near auxiliary vapour header wall side.
By collection device is set on being located on described plugging structure body the groove of close auxiliary vapour header wall side,
This structure, when the making of plugging structure, makes simple, only needs milling machine simple operations to embark on journey, and simple in construction is easy to process.
The bottom surface of described groove is cambered surface or is plane.
The bottom surface of groove can be cambered surface or plane, but is made as plane, and being concentrated by stress is affected, and life-time service can
Can rupture at groove, preferably cambered surface, reduces stress and concentrates.
Described opening is arranged in the middle of the bottom of described groove.
Opening is arranged on the centre of groove, makes plugging structure entirety present axial symmetry, stress equalization, reduces plugging structure
Damage.
Also include that closeouts, described closeouts are arranged on described opening part, and removably connect with described opening.
By arranging closeouts, it is possible to reduce the restriction of openings of sizes, not setting closeouts, opening needs the least, can pass through
Weld and opening is blocked, but too small openings, and difficulty of processing is big；By arranging closeouts, diameter can be offered according to demand not
Same opening, by the closeouts matched with opening, blocks opening, and closure and sealing effectiveness are easier to control.
Described opening is through hole or screwed hole.
Described closeouts is the pin or bolt and red copper pad matched with described opening.
Described opening is one or more.
According to the difference of leak source size, different size of plugging structure is set, for bigger leak source, one may be offered
Opening needs the bore offered relatively big, is difficult to block and makes the intensity of plugging structure reduce simultaneously, can offer multiple, reduction mouth
Footpath, convenient closure while meeting discharge opeing effect.
Plugging structure is the arc fixture matched with described auxiliary vapour header external diameter, and the both ends of described arc fixture are respectively
It is provided with bolt hole；Described supplementary structure is the arc of two ends band flanging, and described flanging is provided with and described bolt hole phase
The through hole joined, described arc fixture is connected by screw with described arc, described screw through after described through hole again with bolt
Hole is assembled.
By plugging structure being set to the arc fixture matched with auxiliary vapour header external diameter, when arc fixture and auxiliary dress
Putting after being connected by screw, arc fixture is strained by auxiliary device, by the natural resiliency of arc, makes plugging device join with auxiliary vapour
Box outer wall is more fitted.
After described arc is connected with the tension of described arc fixture, described flanging and the end of described arc fixture
It is spaced at least 0.1mm.
After using screw to be connected with the tension of described arc fixture by arc, flanging and the end of described arc fixture
It is spaced at least 0.1mm, it is ensured that arc fixture and arc are in tension, and arc fixture is more adjacent to the leakage of auxiliary vapour header outer wall
Point position.
After using technique scheme, this utility model compared with prior art has the advantages that by envelope
The inside outer wall of bridging structure arranges collection device, the gas leakage of leak source, leakage is temporarily collected in collection device, makes plugging structure
The gas leakage of the without hindrance welding in position that contacts with auxiliary vapour header of edge or leakage；After preventing cavity volume to be full of, welding is also
Being not fully complete, leakage or leakage are overflowed, and offer opening in the bottom of cavity volume, liquid is drawn cavity volume, without overflowing at weld,
The time has been striven for for welding；When plugging structure position when formerly leak source occurs again, owing to cavity is arranged on plugging structure
Inside outer wall, it is also possible to meet multiple plugging structure superposition and use；By collection device is set on being located at described closure knot
The groove of close auxiliary vapour header wall side on structure body, this structure when the making of plugging structure, makes simple, only needs milling machine letter
Single operation can be embarked on journey, and simple in construction is easy to process；The bottom surface of groove can be cambered surface or plane, but is made as plane, is subject to
The impact that stress is concentrated, may rupture at groove, preferably cambered surface, reduces stress and concentrates；By arranging closeouts, permissible
Reducing the restriction of openings of sizes, do not set closeouts, opening needs the least, can be blocked by opening by welding, but too small openings,
Difficulty of processing is big；By arranging closeouts, the opening that diameter is different can be offered according to demand, by matched closure
Part, blocks opening, and closure and sealing effectiveness are easier to control；According to the difference of leak source size, different size of closure is set
Structure, for bigger leak source, may offer the bore that an opening needs to offer relatively big, is difficult to block and makes plugging structure simultaneously
Intensity reduce, can offer multiple, reduce bore, meet convenient closure while discharge opeing effect；By plugging structure is set
It is set to the arc fixture matched with auxiliary vapour header external diameter, after arc fixture and auxiliary device are connected by screw, auxiliary dress
Put and arc fixture is strained, by the natural resiliency of arc, make plugging device more fit with auxiliary vapour header outer wall；Use screw
After being connected with the tension of described arc fixture by arc, the end of flanging and described arc fixture is spaced at least 0.1mm, really
Keep alive clamp and arc are in tension, and arc fixture is more adjacent to the leak source position of auxiliary vapour header outer wall.
Below in conjunction with the accompanying drawings detailed description of the invention of the present utility model is described in further detail.
Accompanying drawing explanation
Accompanying drawing, as a part of the present utility model, is used for providing being further understood from of the present utility model, this practicality
Novel schematic description and description is used for explaining this utility model, but does not constitute improper restriction of the present utility model.
Obviously, the accompanying drawing in describing below is only some embodiments, to those skilled in the art, is not paying creation
Property work on the premise of, it is also possible to obtain other accompanying drawings according to these accompanying drawings.In the accompanying drawings:
Fig. 1 is this utility model embodiment one structural representation；
Fig. 2 is this utility model embodiment two structural representation；
Fig. 3 is this utility model embodiment three structural representation.
In figure: 100, arc fixture 101, screwed hole B 103, groove 104, bellmouth 105, screw 106, bolt
107, screwed hole A 108, red copper pad 109, through hole A 110, pin 200, arc 201, through hole B 300, auxiliary vapour header.
It should be noted that these accompanying drawings and word describe and are not intended as limiting design of the present utility model by any way
Scope, but be that those skilled in the art illustrate concept of the present utility model by reference specific embodiment.
Detailed description of the invention
For making the purpose of this utility model embodiment, technical scheme and advantage clearer, new below in conjunction with this practicality
Accompanying drawing in type embodiment, is clearly and completely described the technical scheme in embodiment, and following example are used for illustrating this
Utility model, but it is not limited to scope of the present utility model.
A kind of auxiliary vapour header tape-pressure leakage clogging device, including plugging structure, supplementary structure and collection device, described closure knot
Structure and supplementary structure removably connect to be fastened on the periphery wall of auxiliary vapour header 300, and described collection device is arranged at described
The inside outer wall of plugging structure；Described collection device has the cavity volume for the gas leakage or leakage holding leakage point, bottom cavity volume
It is provided with the opening for leakage or gas leakage being discharged.
Embodiment one:
As it is shown in figure 1, a kind of auxiliary vapour header tape-pressure leakage clogging device, including arc fixture 100 and arc 200, described
Arc fixture 100 for having certain thickness semicircle sheet material, arc fixture 100 be respectively arranged at two ends with screwed hole B 101, in
Offering groove 103 inside portion, opening is offered in the bottom of groove 103, opening be shaped as bellmouth 104, the tip of bellmouth 104
Pointing to the direction deviating from arc fixture 100 center, make the outlet on the outer wall of arc fixture 100 less, the liquid of leakage is from cone
The most advanced and sophisticated outflow in shape hole 104, the two ends of arc 200 are provided with flanging, and flanging is provided with through hole B 201, and screw 105 is through through hole
B 201 assembles with screwed hole B 101 again, and arc fixture 100 and arc 200 are fixed on the leak source of auxiliary vapour header 300, side
Just arc fixture 100 is welded on auxiliary vapour header 300.
Blocking method: the groove 103 of arc fixture 100 is directed at the leakage point of auxiliary vapour header 300, makes leakage point entirety position
In groove 103, arc 200 is connected by screw 105 with arc fixture 100, makes arc fixture 100 and arc 200
Being fastened on auxiliary vapour header 300, the end and the flanging that connect fastening rear arc plate 200 are spaced at least 0.1mm, and leakage point leaks out
Liquid or gas collect in groove 103, after groove 103 is full of by leakage fluid, by the most advanced and sophisticated outlet row of bellmouth 104
Going out, the edge making arc fixture 100 contact with auxiliary vapour header 300 does not has leakage；Afterwards by arc fixture 100 and auxiliary vapour header
The edge welding of 300 contacts, makes the edge seal that arc fixture 100 contacts with auxiliary vapour header 300, and leakage cannot be through arc fixture
100 overflow with the engagement edge of auxiliary vapour header 300；Again the most advanced and sophisticated outlet of bellmouth 104 is welded；Finally screw 105 is screwed out,
Arc 200 disassembles from arc fixture 100, then carries out auxiliary welding next time.
It is less that this structure is suitable for leak source, leaks less situation, and the tip of bellmouth 104 is outlet, exports less, convenient
Welding.
Embodiment two:
As in figure 2 it is shown, a kind of auxiliary vapour header tape-pressure leakage clogging device, including arc fixture 100 and arc 200, described
Arc fixture 100 is for having certain thickness semicircle sheet material, and the both ends of arc fixture 100 are respectively equipped with screwed hole B 101,
Inside middle portion offers groove 103, and the bottom surface of groove 103 is the arcwall face parallel with arc fixture 100 cambered surface, the end of groove 103
Middle face offers opening, opening be shaped as screwed hole A 107, on screwed hole A 107 mate connection have bolt 106, bolt 106
And it is provided with red copper pad 108, bolt 106 precession screwed hole A 107, it is achieved be tightly connected between screwed hole A 107；Arc 200
Two ends be provided with flanging, flanging is provided with through hole B 201, and screw 105 assembles with screwed hole B 101 after through hole B 201 again,
Arc fixture 100 and arc 200 are fixed on the leak source of auxiliary vapour header 300.
Blocking method: the groove 103 of arc fixture 100 is directed at the leakage point of auxiliary vapour header 300, makes leakage point entirety position
With in groove 103, arc 200 is connected by screw 105 with arc fixture 100, makes arc fixture 100 and arc 200 block
Being combined on auxiliary vapour header 300, the end and the flanging that connect rear arc plate 200 are spaced 1mm, liquid that leakage point leaks out or gas
Collect in groove 103, after groove 103 is full of by leakage fluid, discharged by screwed hole A 107, make arc fixture 100 and auxiliary vapour
The edge of header 300 contact does not has leakage；The edge welding contacted with auxiliary vapour header 300 by arc fixture 100 afterwards, makes arc
The edge seal that fixture 100 contacts with auxiliary vapour header 300, leakage cannot be overflowed through the edge of arc fixture 100；Again by bolt
106 screw out screwed hole A 107, strengthen sealing by red copper pad 108, it is also possible to after bolt 106 is screwed in screwed hole A 107, then
Being welded on arc fixture 100 by bolt 106, seal further, the sealing effectiveness of the latter is more preferable；By screw 105 from screwed hole B
101 screw out, and make arc 200 disassemble from arc fixture 100, for the installation of next arc fixture 100, arc
200 can save material with Reusability, and only arc fixture 100 is welded on leak source simultaneously, takes up room less, and weight is the most more
Little, reduce the device for plugging impost to auxiliary vapour header 300, reduce the probability of newly-increased leak source.
Wherein, the bottom surface of groove 103 can also be plane, but is designed as plane and stress can be made more to concentrate, and reduces arc
The service life of clamp 100, the preferably bottom surface of groove 103 are arcwall face；After bolt 106 precession screwed hole A 107, then by spiral shell
Bolt 106 welds with arc fixture 100, and the mode of welding can make sealing more excellent；If the volume of arc fixture 100 is relatively big or
In the case of leakage is more, multiple screwed hole A 107 can be set, to reduce the diameter of offering of screwed hole A 107, improve arc
The intensity of fixture 100.
Embodiment three:
As it is shown on figure 3, a kind of auxiliary vapour header tape-pressure leakage clogging device, including arc fixture 100 and arc 200, described
Arc fixture 100 is for having certain thickness semicircle sheet material, and the both ends of arc fixture 100 are respectively equipped with screwed hole B 101,
Inside middle portion offers groove 103, and the bottom surface of groove 103 is the arcwall face parallel with arc fixture 100 cambered surface, the end of groove 103
Middle face offers three openings, and be shaped as the through hole A 109, described through hole A 109 of opening are provided with matched pin
110；The two ends of arc 200 are provided with flanging, and flanging is provided with through hole B 201, screw 105 through through hole B 201 again with screw thread
Hole B 101 assembles, and arc fixture 100 and arc 200 are fixed on the leak source of auxiliary vapour header 300.
Blocking method: the groove 103 of arc fixture 100 is directed at the leakage point of auxiliary vapour header 300, makes the whole position of leakage point
In groove 103, by screw 105, arc 200 and arc fixture 100 are connected, make arc fixture 100 and arc 200
Being fastened on auxiliary vapour header 300, liquid or gas that leakage point leaks out are collected in groove 103, and groove 103 is filled by leakage fluid
Man Hou, by through hole A 109 mouthfuls discharge, there is not leakage in the edge making arc fixture 100 contact with auxiliary vapour header 300, convenient
Welding；The edge welding contacted with auxiliary vapour header 300 by arc fixture 100 afterwards, makes leak source be sealed in arc fixture 100；
Again pin 110 is knocked in through hole A 109, it is achieved be tightly connected；Finally being screwed out by screw 105, arc 200 is from arc fixture
Disassemble on 100, for the installation of next arc fixture 100, save material, and it is little to take up room.
Wherein arc fixture 100 is for having certain thickness arc-shaped plate.
Superposition uses:
The structure of arc fixture 100 involved in above-described embodiment, all can be overlapped using, and method is as follows: if
Next-door neighbour is welded with the position of arc fixture 100 and leakage occurs, can select that structure is identical but arc fixture that groove 103 is bigger
100, this arc fixture 100 being welded on auxiliary vapour header 300 is arranged on the groove 103 of bigger arc fixture 100
In, repeat aforesaid operations, make bigger arc fixture 100 be covered by arc fixture 100 formerly, it is achieved superposition leak stopping, solve
The problem that leak source occurs near the arc fixture 100 of first leak stopping again, and superposition uses plugging effect more preferable.
The above is only preferred embodiment of the present utility model, not makees this utility model any pro forma
Limit, although this utility model is disclosed above with preferred embodiment, but is not limited to this utility model, any familiar
The technical staff of this patent is in the range of without departing from technical solutions of the utility model, when the technology contents of available above-mentioned prompting is made
Go out a little change or be modified to the Equivalent embodiments of equivalent variations, as long as being the content without departing from technical solutions of the utility model,
Any simple modification, equivalent variations and the modification made above example according to technical spirit of the present utility model, the most still belongs to
In the range of this utility model scheme.
Claims (10)
1. an auxiliary vapour header tape-pressure leakage clogging device, it is characterised in that: include plugging structure, supplementary structure and collection device, institute
The plugging structure stated and supplementary structure removably connect to be fastened on the periphery wall of auxiliary vapour header, and described collection device is arranged
Inside outer wall in described plugging structure；Described collection device has the cavity volume for the gas leakage or leakage holding leakage point, holds
The opening for leakage or gas leakage being discharged it is provided with bottom chamber.
One the most according to claim 1 auxiliary vapour header tape-pressure leakage clogging device, it is characterised in that: described collection device is for opening
It is located on described plugging structure body the groove near auxiliary vapour header wall side.
One the most according to claim 2 auxiliary vapour header tape-pressure leakage clogging device, it is characterised in that: the bottom surface of described groove is
Cambered surface or be plane.
One the most according to claim 2 auxiliary vapour header tape-pressure leakage clogging device, it is characterised in that: described opening is arranged at institute
State in the middle of the bottom of groove.
5. according to the one auxiliary vapour header tape-pressure leakage clogging device described in claim 1-4 any one, it is characterised in that: also include
Closeouts, described closeouts is arranged on described opening part, and removably connects with described opening.
One the most according to claim 5 auxiliary vapour header tape-pressure leakage clogging device, it is characterised in that: described opening be through hole or
Screwed hole.
One the most according to claim 6 auxiliary vapour header tape-pressure leakage clogging device, it is characterised in that: described closeouts for institute
State pin or bolt and red copper pad that opening matches.
One the most according to claim 1 auxiliary vapour header tape-pressure leakage clogging device, it is characterised in that: described opening be one or
Multiple.
One the most according to claim 1 auxiliary vapour header tape-pressure leakage clogging device, it is characterised in that: plugging structure is with described
The arc fixture that auxiliary vapour header external diameter matches, the both ends of described arc fixture are respectively equipped with the first installing hole；Described is auxiliary
The arc helping structure to be two ends band flanging, described flanging is provided with the second installing hole matched with described first installing hole.
One the most according to claim 9 auxiliary vapour header tape-pressure leakage clogging device, it is characterised in that: described arc with
After described arc fixture connects tension, the end of described flanging and described arc fixture is spaced at least 0.1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620711307.7U CN205842092U (en) | 2016-07-06 | 2016-07-06 | A kind of auxiliary vapour header tape-pressure leakage clogging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620711307.7U CN205842092U (en) | 2016-07-06 | 2016-07-06 | A kind of auxiliary vapour header tape-pressure leakage clogging device |
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| Publication Number | Publication Date |
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| CN205842092U true CN205842092U (en) | 2016-12-28 |
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| CN201620711307.7U Active CN205842092U (en) | 2016-07-06 | 2016-07-06 | A kind of auxiliary vapour header tape-pressure leakage clogging device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112350206A (en) * | 2020-10-27 | 2021-02-09 | 山东电力工业锅炉压力容器检验中心有限公司 | Uninterrupted plugging device and plugging method for air leakage of expansion joint |
-
2016
- 2016-07-06 CN CN201620711307.7U patent/CN205842092U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112350206A (en) * | 2020-10-27 | 2021-02-09 | 山东电力工业锅炉压力容器检验中心有限公司 | Uninterrupted plugging device and plugging method for air leakage of expansion joint |
| CN112350206B (en) * | 2020-10-27 | 2023-09-01 | 山东电力工业锅炉压力容器检验中心有限公司 | Uninterrupted plugging device and plugging method for expansion joint leakage |
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